[amsat-bb] Re: Ft-847 & icom preamp

Richard Lawn rjlawn at gmail.com
Fri Jun 14 12:39:07 PDT 2013


I guess the real question I should have posed since the 847 manual isn't
clear, is DC voltage dropped from running down the coax when PTT is
activated.  Someone has told me it s dropped but wanted to se if others old
verify this as I fried this icom preamp before with another radio when
using constant voltage from a T bias when in receive and transmit.,
Rick
W2JAZ


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